Which type of hormones enter cells and have the primary action to either increase or decrease mRNA

production?



a. steroid and peptide hormones
b. steroid and phospholipid hormones
c. thyroid and peptide hormones
d. peptide and phospholipid hormones
e. steroid and thyroid hormones


E

Biology & Microbiology

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Assume a neuron receives EPSPs and IPSPs from several adjacent neurons. How might that neuron's

threshold potential be reached, causing it to produce its own action potential?

a. if IPSPs outnumber EPSPs b. temporal summation c. spatial summation d. temporal and spatial summation e. if IPSPs equal EPSPs

Biology & Microbiology

What type of metal associates with hemoglobin?

What will be an ideal response?

Biology & Microbiology

Unlike passive transport, active transport requires

A.) concentration gradients. B.) diffusion. C.) energy from the cell. D.) vesicles.

Biology & Microbiology

Which type of neuroglia is found outside of the brain?

A. microglia B. axons C. astrocytes D. Schwann cells E. oligodendrocytes

Biology & Microbiology